Homework Help: Math

Posted by Damon on Wednesday, December 5, 2012 at 6:33pm.

Please help! How do I find the mean weight of 2 groups of 100 kids... 1st grp mean weight is 55.7lbs and 2nd grp mean weight is 42.6lbs.

Math - Anonymous, Wednesday, December 5, 2012 at 6:48pm
You need to add them weight then divide by the number of kids

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